18913380121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{237973}}^1$

素因数の和:238128

約数の個数: 16

約数和(自身を含む): 20560953600

約数和(自身を除く): 1647573479

約数列:

[1, 19, 47, 89, 893, 1691, 4183, 79477, 237973, 4521487, 11184731, 21179597, 212509889, 402412343, 995441059, 18913380121]

約数ペア:

[(1, 18913380121), (19, 995441059), (47, 402412343), (89, 212509889), (893, 21179597), (1691, 11184731), (4183, 4521487), (79477, 237973)]